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首页> 外文期刊>ISIJ international >Wetting and Spreading Kinetics between Liquid CaO–SiO2 Slags and a Solid SiO2
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Wetting and Spreading Kinetics between Liquid CaO–SiO2 Slags and a Solid SiO2

机译：液体CaO-SiO 2 渣之间的润湿和传播动力学和固体SiO 2

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摘要

Wetting and spreading phenomena between SiO_(2) single crystal and CaO–SiO_(2) slags with difference composition; SiO_(2) saturated and non-saturated slags at 1600°C were investigated by using the dispensed drop technique (DDT) with a high-speed camera (1000 frames/s). The apparent contact angle and height of non-saturated slag were significantly smaller than those of saturated slag. The apparent radii of saturated and non-saturated slags were significantly different after 0.01 s. The change in the apparent volume of the slags was analyzed by using a spherical cap model. The apparent volume of the saturated slag was constant, but that of the non-saturated slag decreased because of film type spreading. After quenching, the film type spreading was verified, and a dissolution reaction occurred in the non-saturated slag, whereas no such phenomena were observed in the saturated slag. For the saturated slag, the spreading kinetics fit well with the non-reactive viscous model suggested by a previous study. However, non-saturated slag could not be applied to spreading kinetics due to the film type spreading.
机译：SiO_（2）单晶和CaO-SiO_（2）浆料之间的润湿和传播现象，差异组成;使用具有高速摄像头（1000帧）的分配的液滴技术（DDT）研究了1600℃的SiO_（2）饱和和非饱和浆料。非饱和炉渣的表观接触角和高度明显小于饱和炉渣。 0.01秒后，饱和和非饱和渣的表观半径显着不同。通过使用球形盖模型分析炉渣的表观体积的变化。饱和炉渣的表观体积是恒定的，但由于薄膜类型的展示，非饱和炉渣的变化降低。在淬火后，验证薄膜型扩散，并且在非饱和渣中发生溶解反应，而在饱和渣中没有观察到这种现象。对于饱和炉渣，扩散动力学与先前研究建议的非反应性粘性模型相适合。然而，由于薄膜类型扩展，不饱和炉渣无法施加到扩散动力学。

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